<template>
  <!-- 导入对话框 -->
  <el-dialog :title="title" :visible.sync="selfOpen" width="400px" append-to-body>
    <el-upload
      ref="upload"
      :limit="1"
      accept=".xlsx, .xls"
      :headers="headers"
      :action="selfUploadUrl"
      :disabled="selfIsUploading"
      :on-progress="handleFileUploadProgress"
      :on-success="handleFileSuccess"
      :auto-upload="false"
      drag
    >
      <i class="el-icon-upload"></i>
      <div class="el-upload__text">
        将文件拖到此处，或
        <em>点击上传</em>
      </div>
      <div class="el-upload__tip" slot="tip">
        <el-checkbox v-model="selfUpdateSupport" />是否更新已经存在的数据
        <el-link v-if="noTemplate === false" type="info" style="font-size:12px" @click="importTemplate">下载模板</el-link>
      </div>
      <slot name="tip"></slot>
    </el-upload>
    <div slot="footer" class="dialog-footer">
      <el-button type="primary" @click="submitFileForm">确 定</el-button>
      <el-button @click="selfOpen = false">取 消</el-button>
    </div>
  </el-dialog>
</template>

<script>
  import { getToken } from "@/utils/auth";
  import request from '@/utils/request'
  export default {
    name: "importForm",
    props: {
      // 是否显示弹出层（用户导入）
      open: false,
      // 弹出层标题（用户导入）
      title: "",
      // 是否禁用上传
      isUploading: false,
      // 是否更新已经存在的用户数据
      updateSupport: false,
      // 上传的地址
      uploadUrl: '',
      templateUrl:'',
      noTemplate: true
    },
    data() {
      return{
        selfUpdateSupport: this.updateSupport,
        selfOpen: this.open,
        selfIsUploading: this.isUploading,
        // 设置上传的请求头部
        headers: { Authorization: "Bearer " + getToken() },
      }
    },
    computed: {
      selfUploadUrl() {
        return process.env.VUE_APP_BASE_API + this.uploadUrl + '?updateSupport=' + this.selfUpdateSupport;
      }
    },
    created() {
    },
    methods: {
      show(){
        this.selfOpen = true;
      },
      // 文件上传中处理
      handleFileUploadProgress(event, file, fileList) {
        this.selfisUploading = true;
      },
      // 文件上传成功处理
      handleFileSuccess(response, file, fileList) {
        this.selfOpen = false;
        this.selfisUploading = false;
        this.$refs.upload.clearFiles();
        this.$alert(response.msg, "导入结果", { dangerouslyUseHTMLString: true });
        this.$emit("doQuery");
      },
      // 提交上传文件
      submitFileForm() {
        this.$refs.upload.submit();
      },
      importTemplate(){
        // 下载用户导入模板
         request({
            url: this.templateUrl,
            method: 'get'
          }).then(response => {
          this.download(response.msg);
        });
      }
    },
  }
</script>

<style scoped>

</style>
